Sleep as Android

Sleep as Android-1 Sleep as Android-2

Alarm clock with sleep cycle tracker. Wakes you gently in light sleep for pleasant mornings. Features: sleep graph history, sleep deficit and deep sleep statistics, sharing (FaceBook, Twitter), nature alarms (birds, sea, storm…) with gradual volume up, alarm playlists from your music, lullabies for pleasant asleep, CAPTCHA to wake up on time, sleep talk or snoring recording and more… (2 weeks trial)
aka “Sleep as an Droid”

Link